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Polygon.io
Financial market data platform with 1T+ rows covering stocks, options, forex, futures, and crypto.
Founded 2016Atlanta, GA, USAIndependent (rebranded to Massive.com)
Coverage
- Geo Coverage
- global
- Sources
- 1T+ rows, 2 PB raw data
- Content Types
- tradesquotesmarket datanewsfinancials
Data & Delivery
Full text articles
Article summaries
Headline only
Real-time
Historical data
Webhooks
Streaming
Article summaries
Headline only
Real-time
Historical data
Webhooks
Streaming
Delivery Methods
REST APIWebSocket
Data Formats
JSONCSV
NLP & Enrichment
Sentiment analysis
Entity extraction
Entity disambiguation
Story clustering
Deduplication
Topic classification
Publisher ranking
Entity extraction
Entity disambiguation
Story clustering
Deduplication
Topic classification
Publisher ranking
Developer Experience
Free API tier
MCP server (official)
MCP server (official)
SDK / Libraries
PythonJavaScriptGoJava
Pricing
- Model
- freemium
- Free Tier
- Yes
- Paid Plans
- From ~$29-79/mo, enterprise custom
- Starting Price
- $0/month
Company
- Parent Company
- Independent (rebranded to Massive.com)
- Founded
- 2016
- Headquarters
- Atlanta, GA, USA
About Polygon.io
Polygon.io (rebranded to Massive.com in Oct 2025) provides real-time and historical market data across stocks, options, indices, forex, futures, and crypto via REST and WebSocket APIs with a 99.99% SLA.
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